Get Ready for Another Currency Redesign

Now that we have most of our dollar bills in day-glow orange, a judge has decided more changes are needed. This time they are needed to help the blind.

U.S. District Judge James Robertson ordered the Treasury Department to come up with ways for the blind to tell bills apart. He said he wouldn't tell officials how to fix the problem, but he ordered them to begin working on it.
The American Council of the Blind has proposed several options, including printing bills of differing sizes, adding embossed dots or foil to the paper or using raised ink.
"Of the more than 180 countries that issue paper currency, only the United States prints bills that are identical in size and color in all their denominations," Robertson wrote. "More than 100 of the other issuers vary their bills in size according to denomination, and every other issuer includes at least some features that help the visually impaired."
Government attorneys argued that forcing the Treasury Department to change the size of the bills or add texture would make it harder to prevent counterfeiting. Robertson was not swayed.
"The fact that each of these features is currently used in other currencies suggests that, at least on the face of things, such accommodations are reasonable," he wrote.

This actually makes a lot of sense to me. The changes requested (differing sizes or raised dots) seem a lot less significant than the changes they have already brought to the currency in an attempt to prevent counterfeiting.